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Re: [OM] Color Balance Conundrum --JPEG was more correct?

Subject: Re: [OM] Color Balance Conundrum --JPEG was more correct?
From: "bill pearce" <billcpearce@xxxxxxx>
Date: Sun, 20 Feb 2011 21:41:33 -0600
There's no shortage of portable grey and white cards out there, along with 
the ping pong ball thingiess that screw on the lens for WB. I think the best 
would be on with a black and white square, that you can use with the 
eyedropper.

bill Pearce
----- Original Message ----- 
From: <usher99@xxxxxxx>
To: <olympus@xxxxxxxxxxxxxxxxx>
Sent: Sunday, February 20, 2011 8:40 PM
Subject: [OM] Color Balance Conundrum --JPEG was more correct?


> Today processed a long neglected CR2 file from a macro shot with the
> OM5DII and viv S1 90-180 macro.  The lens does have a modest
> warming color cast due to the coatings.  The JPEG was near correct in
> depicting a orangish blurred background while the ACR conversion with
> as shot daylight white balance made it way way too yellow.  Just
> adjusting the temp did not do it and had to change  the geen-magenta
> axis to even get close.
>
> That was too much work--need to remember to shoot some reference with
> that lens.
>
> Perhaps the camera provides some special sauce in the tone conversion
> curve that is unknown to ACR.  I was just surprised how far off it was.
> Should I have been surprised?
>
> Outa Balance Mike
> -- 
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